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Finding the Fourth Proportional to 86,591.88, 119,452.77 and 52,591.32

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Solution

The fourth proportional to 86,591.88, 119,452.77 and 52,591.32 is: 72,549.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,591.88 : 119,452.77 = 52,591.32 : x
  2. Step 2: Convert to fraction form
    86,591.88/119,452.77 = 52,591.32/x
  3. Step 3: Cross multiply
    86,591.88x = 119,452.77 × 52,591.32
  4. Step 4: Simplify right side
    86,591.88x = 6,282,178,851.96
  5. Step 5: Solve for x
    x = 6,282,178,851.96/86,591.88
  6. Step 6: Final answer
    x = 72,549.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.